Link to simple cubic coordination number figure.

Silicon Crystal Structure

Hexagonal Close Pack Video

Hexagonal Close Packed vs. Face Centered Cubic - Libretext – FCC Closest Packed Plane -- Video

Graphene Exfoliation Video

Multiwall Carbon Nanotubes

Carbon Nanotube Strings

Phase Diagram of Carbon

MIT’s Dr. Sadoway on Graphite vs. Diamond

Carbon Allotropes (Video)

Geologic Formation Diamonds

Ultrablack Surface